include/linux/mISDNdsp.h

   1 #ifndef __mISDNdsp_H__
   2 #define __mISDNdsp_H__
   3
   4 struct mISDN_dsp_element_arg {
   5         char    *name;
   6         char    *def;
   7         char    *desc;
   8 };
   9
  10 struct mISDN_dsp_element {
  11         char    *name;
  12         void    *(*new)(const char *arg);
  13         void    (*free)(void *p);
  14         void    (*process_tx)(void *p, unsigned char *data, int len);
  15         void    (*process_rx)(void *p, unsigned char *data, int len);
  16         int     num_args;
  17         struct mISDN_dsp_element_arg
  18                 *args;
  19 };
  20
  21 extern int  mISDN_dsp_element_register(struct mISDN_dsp_element *elem);
  22 extern void mISDN_dsp_element_unregister(struct mISDN_dsp_element *elem);
  23
  24 struct dsp_features {
  25         int     hfc_id; /* unique id to identify the chip (or -1) */
  26         int     hfc_dtmf; /* set if HFCmulti card supports dtmf */
  27         int     hfc_loops; /* set if card supports tone loops */
  28         int     hfc_echocanhw; /* set if card supports echocancelation*/
  29         int     pcm_id; /* unique id to identify the pcm bus (or -1) */
  30         int     pcm_slots; /* number of slots on the pcm bus */
  31         int     pcm_banks; /* number of IO banks of pcm bus */
  32         int     unclocked; /* data is not clocked (has jitter/loss) */
  33         int     unordered; /* data is unordered (packets have index) */
  34 };
  35
  36 #endif
  37